Sheikh, A., Cook, A., & Ashcroft, R. (2004). Making cycle helmets compulsory: Ethical arguments for legislation. The Royal Society of Medicine.
Citação norma ChicagoSheikh, Aziz, Adrian Cook, and Richard Ashcroft. Making Cycle Helmets Compulsory: Ethical Arguments for Legislation. The Royal Society of Medicine, 2004.
Citação norma MLASheikh, Aziz, Adrian Cook, and Richard Ashcroft. Making Cycle Helmets Compulsory: Ethical Arguments for Legislation. The Royal Society of Medicine, 2004.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.